Home / 875,881.56-1,313,238.66-314,843.16

Finding the Fourth Proportional to 875,881.56, 1,313,238.66 and 314,843.16

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Solution

The fourth proportional to 875,881.56, 1,313,238.66 and 314,843.16 is: 472,054.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,881.56 : 1,313,238.66 = 314,843.16 : x
  2. Step 2: Convert to fraction form
    875,881.56/1,313,238.66 = 314,843.16/x
  3. Step 3: Cross multiply
    875,881.56x = 1,313,238.66 × 314,843.16
  4. Step 4: Simplify right side
    875,881.56x = 413,464,209,548.57
  5. Step 5: Solve for x
    x = 413,464,209,548.57/875,881.56
  6. Step 6: Final answer
    x = 472,054.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.